linux-user/flatload: clean up local variable shadowing

Fix following warnings:

.../linux-user/flatload.c: In function 'load_flt_binary':
.../linux-user/flatload.c:758:23: warning: declaration of 'p' shadows a previous local [-Wshadow=compatible-local]
  758 |             abi_ulong p;
      |                       ^
../../../Projects/qemu/linux-user/flatload.c:722:15: note: shadowed declaration is here
  722 |     abi_ulong p;
      |               ^

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
Message-ID: <20230925151029.461358-2-laurent@vivier.eu>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
diff --git a/linux-user/flatload.c b/linux-user/flatload.c
index 4331a11..fdcc461 100644
--- a/linux-user/flatload.c
+++ b/linux-user/flatload.c
@@ -755,15 +755,15 @@
     /* Update data segment pointers for all libraries */
     for (i=0; i<MAX_SHARED_LIBS; i++) {
         if (libinfo[i].loaded) {
-            abi_ulong p;
-            p = libinfo[i].start_data;
+            abi_ulong seg;
+            seg = libinfo[i].start_data;
             for (j=0; j<MAX_SHARED_LIBS; j++) {
-                p -= 4;
+                seg -= 4;
                 /* FIXME - handle put_user() failures */
                 if (put_user_ual(libinfo[j].loaded
                                  ? libinfo[j].start_data
                                  : UNLOADED_LIB,
-                                 p))
+                                 seg))
                     return -EFAULT;
             }
         }